Clarius HD scanners have 2 programmable buttons, defined as Up and Down. There are many programming options for each button, with the defaults set to:
To modify the function of a button, see below to access the Button Settings within the App and choose the proper function. Note that each button can be programmed for a single, double, triple, or quadruple click, as well as a 3-second hold function.
When the scanner is now powered, pressing any button will power up the device. This function can be disabled through the App settings. Similarly, the default 3-second hold function for the Down button will power down the device.